2013-05-09 10:40:23 |
Jens |
bug |
|
|
added bug |
2013-05-09 10:40:23 |
Jens |
attachment added |
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backlight-bug-ubuntu.tar.bz2 https://bugs.launchpad.net/bugs/1178205/+attachment/3670841/+files/backlight-bug-ubuntu.tar.bz2 |
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2013-05-09 11:00:15 |
Brad Figg |
linux (Ubuntu): status |
New |
Confirmed |
|
2013-05-09 19:15:24 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
Medium |
|
2013-05-09 19:15:26 |
Joseph Salisbury |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
2013-05-09 21:37:11 |
Jens |
tags |
apport-bug backlight i386 notebook precise running-unity staging toshiba |
apport-bug backlight i386 kernel-bug-exists-upstream notebook precise running-unity staging toshiba |
|
2013-06-29 10:24:04 |
Jens |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
2013-08-03 17:38:34 |
penalvch |
description |
Hello,
see $SUBJECT. By default the screen is very dark and almost unreadable. The Fn+F6/7 hotkeys show the brightness applet but don't change the brightness. Attached info according to https://wiki.ubuntu.com/Kernel/Debugging/Backlight below.
Adding "acpi_backlight=vendor" as suggested boot parameters fixes this bug, but this requires manual GRUB configuration (not suitable for non-experts).
Regards
Jens
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-41-generic-pae 3.2.0-41.66
ProcVersionSignature: Ubuntu 3.2.0-41.66-generic-pae 3.2.42
Uname: Linux 3.2.0-41-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.2
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1655 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc4820000 irq 50'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0269,11790628,00100100 HDA:80862805,11790001,00100000'
Controls : 29
Simple ctrls : 11
Date: Thu May 9 12:14:51 2013
HibernationDevice: RESUME=UUID=add8fe24-1f1e-4ca7-a2d6-a0f40c03383f
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MachineType: TOSHIBA TECRA R850
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-41-generic-pae root=UUID=ffc754ea-32ed-4ae7-b471-bca82bd54afb ro elevator=deadline quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-41-generic-pae N/A
linux-backports-modules-3.2.0-41-generic-pae N/A
linux-firmware 1.79.4
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/25/2011
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 3.10
dmi.board.asset.tag: 0000000000
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias: dmi:bvnTOSHIBA:bvrVersion3.10:bd08/25/2011:svnTOSHIBA:pnTECRAR850:pvrPT525E-043021GH:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
dmi.product.name: TECRA R850
dmi.product.version: PT525E-043021GH
dmi.sys.vendor: TOSHIBA |
By default the screen is very dark and almost unreadable. The Fn+F6/7 hotkeys show the brightness applet but don't change the brightness. Attached info according to https://wiki.ubuntu.com/Kernel/Debugging/Backlight below.
WORKAROUND: acpi_backlight=vendor
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-41-generic-pae 3.2.0-41.66
ProcVersionSignature: Ubuntu 3.2.0-41.66-generic-pae 3.2.42
Uname: Linux 3.2.0-41-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.2
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1655 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc4820000 irq 50'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0269,11790628,00100100 HDA:80862805,11790001,00100000'
Controls : 29
Simple ctrls : 11
Date: Thu May 9 12:14:51 2013
HibernationDevice: RESUME=UUID=add8fe24-1f1e-4ca7-a2d6-a0f40c03383f
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MachineType: TOSHIBA TECRA R850
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-41-generic-pae root=UUID=ffc754ea-32ed-4ae7-b471-bca82bd54afb ro elevator=deadline quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-41-generic-pae N/A
linux-backports-modules-3.2.0-41-generic-pae N/A
linux-firmware 1.79.4
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/25/2011
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 3.10
dmi.board.asset.tag: 0000000000
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias: dmi:bvnTOSHIBA:bvrVersion3.10:bd08/25/2011:svnTOSHIBA:pnTECRAR850:pvrPT525E-043021GH:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
dmi.product.name: TECRA R850
dmi.product.version: PT525E-043021GH
dmi.sys.vendor: TOSHIBA |
|
2013-08-03 17:39:21 |
penalvch |
tags |
apport-bug backlight i386 kernel-bug-exists-upstream notebook precise running-unity staging toshiba |
apport-bug i386 kernel-bug-exists-upstream-v3.9 needs-full-computer-model needs-upstream-testing precise running-unity staging |
|
2013-08-03 17:39:45 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
2013-08-03 18:09:04 |
Jens |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
2013-08-03 18:33:25 |
penalvch |
summary |
Screen brightness not changable via applet or hotkeys in Ubuntu 12.04 on Toshiba R850 notebook |
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1178205 |
|
2013-08-03 18:34:01 |
penalvch |
summary |
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1178205 |
[Toshiba Tecra R850-19Z] Screen brightness not changable via applet or hotkeys in Ubuntu 12.04 |
|
2013-08-03 18:37:41 |
penalvch |
tags |
apport-bug i386 kernel-bug-exists-upstream-v3.9 needs-full-computer-model needs-upstream-testing precise running-unity staging |
apport-bug bios-outdated-4.10 i386 kernel-bug-exists-upstream-v3.9 needs-upstream-testing precise running-unity staging |
|
2013-08-03 18:38:57 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
2013-08-03 20:56:13 |
Jens |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
2013-08-03 20:56:52 |
Jens |
tags |
apport-bug bios-outdated-4.10 i386 kernel-bug-exists-upstream-v3.9 needs-upstream-testing precise running-unity staging |
apport-bug bios-outdated-4.10 cannot-upgrade-bios i386 kernel-bug-exists-upstream-v3.9 needs-upstream-testing precise running-unity staging |
|
2013-08-03 21:09:45 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
2013-08-03 21:09:57 |
penalvch |
tags |
apport-bug bios-outdated-4.10 cannot-upgrade-bios i386 kernel-bug-exists-upstream-v3.9 needs-upstream-testing precise running-unity staging |
apport-bug bios-outdated-4.10 i386 kernel-bug-exists-upstream-v3.9 needs-upstream-testing precise running-unity staging |
|
2013-10-03 04:18:08 |
Launchpad Janitor |
linux (Ubuntu): status |
Incomplete |
Expired |
|
2013-10-03 08:34:33 |
Jens |
linux (Ubuntu): status |
Expired |
Confirmed |
|
2013-10-03 10:02:50 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
2014-01-18 04:17:24 |
Launchpad Janitor |
linux (Ubuntu): status |
Incomplete |
Expired |
|
2014-02-06 19:32:18 |
Jens |
linux (Ubuntu): status |
Expired |
Confirmed |
|
2014-02-14 06:02:29 |
penalvch |
summary |
[Toshiba Tecra R850-19Z] Screen brightness not changable via applet or hotkeys in Ubuntu 12.04 |
[Toshiba Tecra R850-19Z PT525E] Screen brightness not changable via applet or hotkeys in Ubuntu 12.04 |
|